Home / 118,966.37-164,111.40-70,540.11

Finding the Fourth Proportional to 118,966.37, 164,111.40 and 70,540.11

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Solution

The fourth proportional to 118,966.37, 164,111.40 and 70,540.11 is: 97,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,966.37 : 164,111.40 = 70,540.11 : x
  2. Step 2: Convert to fraction form
    118,966.37/164,111.40 = 70,540.11/x
  3. Step 3: Cross multiply
    118,966.37x = 164,111.40 × 70,540.11
  4. Step 4: Simplify right side
    118,966.37x = 11,576,436,208.25
  5. Step 5: Solve for x
    x = 11,576,436,208.25/118,966.37
  6. Step 6: Final answer
    x = 97,308.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.